.mybtn{
  margin-bottom: 20px;
}
.footer {
  bottom: 0;
  width: 100%;
  height: 60px;
  background-color: #f5f5f5;
}
.container {
  width: auto;
  max-width: 680px;
  padding: 0 15px;
}
.container .text-muted {
  margin: 20px 0;
}
.panel{
  height: 300px;
  }
